<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
    <title>404 - 页面未找到</title>
    <style>
        body {
            background: linear-gradient(120deg, #fdfbfb 0%, #ebedee 100%);
            font-family: 'Microsoft YaHei', sans-serif;
            margin: 0;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .error-container {
            text-align: center;
            padding: 40px;
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            max-width: 500px;
            width: 90%;
        }
        .error-container h1 {
            font-size: 120px;
            margin: 0;
            background: linear-gradient(45deg, #ff4b4b, #ff3333);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }
        .error-container p {
            font-size: 24px;
            color: #666;
            margin: 20px 0 30px;
        }
        .back-link {
            display: inline-block;
            padding: 12px 30px;
            background: linear-gradient(45deg, #4CAF50, #45a049);
            color: white;
            text-decoration: none;
            border-radius: 25px;
            font-weight: bold;
            transition: all 0.3s ease;
        }
        .back-link:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(76,175,80,0.3);
        }
        .error-image {
            width: 300px;
            margin-bottom: 30px;
        }
    </style>
</head>
<body>
    <div class="error-container">
        <img src="https://cdn.jsdelivr.net/gh/yourusername/assets/404.svg" 
             alt="404" class="error-image">
        <h1>404</h1>
        <p>抱歉，您访问的页面已经迷路了...</p>
        <a href="dashboard.jsp" class="back-link">返回主页</a>
    </div>
</body>
</html> 